code_list = [
    "DJI",
    "N225",
    "SSEC",
    "HSI",
    "US30",
    "US500"
]

currency_list = [
    "BTC/USDT",
    "BNB/USDT",
    "HT/USDT",
    "ETH/USDT"
]

currency_list = [c.replace('/', '') for c in currency_list ]
